Removing Management Central breaks CHKPRDOPT.

APAR SE80590 shows how to remove Management Central - which is obsolete and
unsupported.
The PTF for 7.5 for this APAR is SI84787

This breaks CHKPRDOPT with the message at the bottom.
I have opened case TS014906410

Message ID . . . . . . : CPD3DBC

Date sent . . . . . . : 12/05/23 Time sent . . . . . . :
09:56:37


Message . . . . : Directory not found for product 5770SS1 option 0003

release V7R5M0.



Cause . . . . . : Directory /QIBM/ProdData/OS400/MGTC is a required
object
for product 5770SS1 option 0003 release V7R5M0. The missing directory may
be
different from the directory in which the product was originally
packaged.
The packaged directory name is .

Recovery . . . : Do one of the following, and then try the request
again:
-- Restore the directory from the most recent save operation.

-- Install the product again.